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Chertoff, Michael

(Encyclopedia)Chertoff, Michael, 1953–, U.S. government official, b. Elizabeth, N.J., grad. Harvard (B.A., 1975, J.D., 1978). A lawyer, Chertoff was an assistant federal prosecutor in New York (1983–87) and New...

Arlington, county, United States

(Encyclopedia)Arlington, county (2020 pop. 238,643), N Va., across the Potomac River from Washington, D.C. Arlington is a residential and commercial suburb of Washington. Within its boundaries are Arlin...

Karlsruhe

(Encyclopedia)Karlsruhe kärlsˈro͞oə [key], city (1994 pop. 278,000), Baden-Württemberg, SW Germany, on the northern fringes of the Black Forest, connected by canal with a port on the nearby Rhine River. It is ...

distortion

(Encyclopedia)distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...

Tesla, Nikola

(Encyclopedia)Tesla, Nikola tĕsˈlə [key], 1856–1943, American electrician and inventor, b. Croatia (then an Austrian province). An ethnic Serb, he immigrated to the United States in 1884, worked for a short pe...

pension

(Encyclopedia)pension, periodic payments to one who has retired from work because of age or disability. Pensions, originally thought of as charity, are now viewed as an essential part of the social responsibility o...

Taft-Hartley Labor Act

(Encyclopedia)Taft-Hartley Labor Act, 1947, passed by the U.S. Congress, officially known as the Labor-Management Relations Act. Sponsored by Senator Robert Alphonso Taft and Representative Fred Allan Hartley, the ...

public land

(Encyclopedia)public land, in U.S. history, land owned by the federal government but not reserved for any special purpose, e.g., for a park or a military reservation. Public land is also called land in the public d...

equal-time rule

(Encyclopedia)equal-time rule, a Federal Communications Commission rule that requires equal air time for all major candidates competing for political office. It was preceded by the fairness doctrine, abolished in 1...

data encryption

(Encyclopedia)data encryption, the process of scrambling stored or transmitted information so that it is unintelligible until it is unscrambled by the intended recipient. Historically, data encryption has been used...